0807.912 identify the basic properties of acids and bases
Acid-any substance that releases hydrogen ions.
Ion-an atom or group of atoms that has a positive or negative charge.
pH scale- a measuring scale used to identify how acidic or basic a substance is.
Neutral-doesnt have a negative or a positive charge.
Litmus paper-identifies acid based substances
Indicator-substance that indicates the presence of an acid or a base. this is a picture of a beaker use to mix acids. Figure 20 - As soon the liquid in the beacker
changes color.
(c) doc b
this is a Ph scale
Litmus paper is a type of pH paper that is used to test the acidity of water-based liquids.
Figure 21 - Notice the amount
of titrating solution used.
Acid-any substance that releases hydrogen ions.
Ion-an atom or group of atoms that has a positive or negative charge.
pH scale- a measuring scale used to identify how acidic or basic a substance is.
Neutral-doesnt have a negative or a positive charge.
Litmus paper-identifies acid based substances
Indicator-substance that indicates the presence of an acid or a base.
changes color.
Figure 21 - Notice the amount
of titrating solution used.
What is litmus paper?
How do you use an indicator?
What are beakers used for?
Define neutral-
pH scales measure what?
http://www.wikipedia.org/
http://www.funsci.com/fun3_en/acids/acids.htm#10
TCAP Coach Book
Holt &Technology 8th Grade Science Book
http://chemistry.about.com/od/imagesclipartstructures/ig/Science-Pictures/Litmus-Paper.htm